21193974

素因数分解:

$2^1\times 3^5\times {\mathrm{43609}}^1$

素因数の和:43626

約数の個数: 24

約数和(自身を含む): 47622120

約数和(自身を除く): 26428146

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 43609, 87218, 130827, 261654, 392481, 784962, 1177443, 2354886, 3532329, 7064658, 10596987, 21193974]

約数ペア:

[(1, 21193974), (2, 10596987), (3, 7064658), (6, 3532329), (9, 2354886), (18, 1177443), (27, 784962), (54, 392481), (81, 261654), (162, 130827), (243, 87218), (486, 43609)]